1 Captain America civil war, this is the biggest cinematic fight in marvel history and also a legendary one too with six superheroes vs six superheroes, this one is epic.
2 Avengers Endgame, fight between captain america vs captain america, this one is serious and funny at the same time, but as fans we enjoyed.
3 Thor Ragnarok, the mighty hulk vs Thor god of thunder, this one is really one of the most awaited fight for fans but in the end of the fight no one really won.
4 Avengers Endgame, fight for sacrifice, the fight between the black widow and hawkeye for soul stone, at the end black widow won the fight and sacrificed herself to soul stone and hawk eye took the soul stone.
5 Avengers, the fight between the thor and iron man, avengers has many firsts and many heroes fight with each other because of their differences, but their is one hero vs hero fight that is most remembering in avengers is thor vs iron man and captain america for loki.